A Laboratory Study of Household ChemistryAllyn and Bacon, 1921 - 173 σελίδες |
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Σελίδα
... Solutions That Conduct the Electric Current VI The Halogens and Hydrochloric Acid • Experiment 23. Chlorine , Bromine , and Iodine Experiment 24. Preparation and Properties of Hydro- chloric Acid , HCl VII Sulfur and Compounds of Sulfur ...
... Solutions That Conduct the Electric Current VI The Halogens and Hydrochloric Acid • Experiment 23. Chlorine , Bromine , and Iodine Experiment 24. Preparation and Properties of Hydro- chloric Acid , HCl VII Sulfur and Compounds of Sulfur ...
Σελίδα
... Outline 144 Digestion of Foods 157 Action of Digestive Juices 158 Tables Showing Food Units Required Daily 159 Tables of 100 Food Units 161 Special Solutions . 169 SUGGESTIONS TO TEACHERS As has been noted in the preface CONTENTS vii.
... Outline 144 Digestion of Foods 157 Action of Digestive Juices 158 Tables Showing Food Units Required Daily 159 Tables of 100 Food Units 161 Special Solutions . 169 SUGGESTIONS TO TEACHERS As has been noted in the preface CONTENTS vii.
Σελίδα
... solution . Bandage to prevent contamination . 3. Burns caused by hot objects . Cover with a paste made by mixing ... solution of sodium bicarbonate , then treat as in 2 . 5. Burns caused by alkalies . Wash with boric acid , then treat as ...
... solution . Bandage to prevent contamination . 3. Burns caused by hot objects . Cover with a paste made by mixing ... solution of sodium bicarbonate , then treat as in 2 . 5. Burns caused by alkalies . Wash with boric acid , then treat as ...
Σελίδα 8
... solution . Has the sugar been destroyed ? What has happened to it ? This is a physical change . 4. Heat the remainder of the sugar in a dry test tube until it stops smoking . Note every change carefully . When no further change takes ...
... solution . Has the sugar been destroyed ? What has happened to it ? This is a physical change . 4. Heat the remainder of the sugar in a dry test tube until it stops smoking . Note every change carefully . When no further change takes ...
Σελίδα 20
... solution . Why does this increase the action ? Be sure that the apparatus is air tight . 2. Light the Bunsen burner . Caution ! Keep it some distance from the apparatus , because at first the hydrogen is mixed with air and the mixture ...
... solution . Why does this increase the action ? Be sure that the apparatus is air tight . 2. Light the Bunsen burner . Caution ! Keep it some distance from the apparatus , because at first the hydrogen is mixed with air and the mixture ...
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A Laboratory Study of Household Chemistry (Classic Reprint) Mary Ethel Jones Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acetic add 5 cc albumen alcohol ammonium hydroxide APPARATUS baking powder beaker bleaching blue litmus Bunsen burner burn butter CALORIES carbon dioxide cellulose Chemical properties chemistry cold water color compounds concentrated sulfuric acid containing cool copper sulfate cotton cream crystals delivery tube dextrose dilute dissolve drop dry test tube equation to show evaporating dish Explain Fehling's solution ferment filtrate flask formed funnel gas bottles glass elbow glass plate grams Half fill heat hydrochloric acid instructor Instructor's Experiment iodine laboratory lactose limewater liquid litmus paper magnesium manganese dioxide MATERIALS milk mixture nitrogen Note the odor oxide oxygen phosphorus physical properties piece pneumatic trough potassium chlorate prepared proteins removed Result ring stand salt Small serving soap soda sodium carbonate sodium hydroxide soluble in water splint starch stirring rod stopper strip substance sucrose sulfuric acid taste temperature test tube thermometer wire word-and-symbol equation Write the equation Write the word-and-symbol
Δημοφιλή αποσπάσματα
Σελίδα 139 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 139 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 11 - ... the sulfur? Hold a magnet near a small portion of the mixture. Result? What kind of a change? (b) To a pinch of the mixture in a test tube add about five cubic centimeters of carbon disulfide (explosive near a flame), shake, and filter into an evaporating dish.
Σελίδα 137 - This method depends upon the fact that when a solution of soap is added to a solution of a calcium or magnesium salt an insoluble calcium or magnesium soap is produced.
Σελίδα 157 - EXERCISE— Continued WOMEN NOTE. With active exercise an increase of about 20 per cent total food units may be needed. Metabolism. — The process by which cells are nourished through the assimilation of food, while other cells are broken down to produce energy and heat, is called metabolism.
Σελίδα 21 - Withdraw the taper and then insert it again. Does the hydrogen burn? If so, where? Does the taper burn when in the bottle? When out of the bottle ? Feel of the neck of the bottle ; describe and explain. What...
Σελίδα 85 - Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen, the hydrogen and oxygen usually being in the same proportion as in water.
Σελίδα 117 - A violet coloration is produced at the junction of the two liquids.
Σελίδα 110 - Cork the mixture up ; let it stand in a warm place for two or three days.
Σελίδα 162 - CAKES, PASTRY, PUDDINGS, AND DESSERTS Cake, chocolate layer . Cake, gingerbread . . Cake, sponge . . . Custard, caramel . . Half ord. sq. pc. Half ord. sq. pc. Small piece...